Invention Grant
- Patent Title: Self-checking emergency light unit and method of operating a self-checking emergency light unit
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Application No.: US14664146Application Date: 2015-03-20
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Publication No.: US09931979B2Publication Date: 2018-04-03
- Inventor: Andre Hessling Von Heimendahl , Robert Trinschek , Siegfried Schmees
- Applicant: Goodrich Lighting Systems GmbH
- Applicant Address: DE Lippstadt
- Assignee: GOODRICH LIGHTING SYSTEMS GMBH
- Current Assignee: GOODRICH LIGHTING SYSTEMS GMBH
- Current Assignee Address: DE Lippstadt
- Agency: Cantor Colburn LLP
- Priority: EP14163209 20140402
- Main IPC: B60L1/00
- IPC: B60L1/00 ; B60Q3/02 ; G08B29/12 ; H02J9/00 ; B60Q3/80
Abstract:
A self-checking emergency light unit includes a power input terminal coupleable to an external power supply for receiving power therefrom, an illumination circuit coupled to the power input terminal, a discharge circuit coupled to the emergency power source, and an operational check module coupled to the emergency power source.
Public/Granted literature
- US20150283942A1 SELF-CHECKING EMERGENCY LIGHT UNIT AND METHOD OF OPERATING A SELF-CHECKING EMERGENCY LIGHT UNIT Public/Granted day:2015-10-08
Information query
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